>sp|Q7VC70|HIS4_PROMA 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Prochlorococcus marinus GN=hisA MIEIIPAIDLLKGSCVRLVQGDYNEVTEFNDNPSQQALLWQTLGAKRLHLVDLDGAKTGE PLNDSAIRKIKEKLSIPIQIGGGIRTIQRAEDLIELGVDRVILGTIAIENPNIIEKLSEK HPNKIVVGIDAKEGKVATRGWTNNCEMDATELVKRFSQTNIAAIICTDISTDGTLMGPNL DFLRELALISTVPLIASGGIGSISDILSILPLEQNGINGLIIGRALYDGAFDLAEALKVV KNQDLQDIVNANKDQA